# US 12,602,085 B2 · Display device

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- Number: US 12,602,085 B2
- Document ID: US12602085B2
- Status: Granted
- Kind: B2
- Application number: 18/327,201
- Filed: 2023-06-01
- Published: 2024-03-28
- Granted: 2026-04-14
- Earliest claimed: 2022-09-28
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Byoung Jin Jin; Joon-Ik Lee; Mansoo Kim
- Web page: https://patentgrep.com/patent/US12602085B2

## CPC

- G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)}
- G06F 1/1624: {with sliding enclosures, e.g. sliding keyboard or display}
- G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing}
- G06F 1/1643: {the display being associated to a digitizer, e.g. laptops that can be used as penpads (details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615)}
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- H04M 1/0237: {Sliding mechanism with one degree of freedom}
- H04M 1/0268: {including a flexible display panel}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

A display device includes a display module, an extension module that is disposed under the display module and that extends and retracts in a first direction, a main case that accommodates the extension module, and a plurality of sidewall cases that are spaced apart from each other in a second direction intersecting the first direction and that move in the first direction relative to the main case. The plurality of sidewall cases move in a third direction intersecting a plane defined by the first and second directions.

## Claims

### Claim 1

A display device comprising:
a display module;
an extension module that is disposed under the display module and that extends and retracts in a first direction;
a main case that accommodates the extension module, the main case having sides opposite each other in a second direction intersecting the first direction; and
a pair of sidewall cases that are spaced apart from each other in a third direction intersecting a plane defined by the first and second directions, each sidewall case moves in the first direction and in the third direction relative to the main case.

### Claim 2 (depends on 1)

The display device of claim 1, wherein
the display device has a reduced mode in which the display module is retracted into the main case and an extended mode in which the display module is extended outside the main case, and
the pair of sidewall cases are farther away from each other in the third direction in the extended mode than in the reduced mode.

### Claim 3 (depends on 1)

The display device of claim 1, further comprising:
a first elastic member that is disposed between the pair of sidewall cases, the first elastic member moves the pair of sidewall cases away from each other in the third direction.

### Claim 4 (depends on 1)

The display device of claim 1, wherein the pair of sidewall cases move in the first direction along first guide openings defined on one of the sides of the main case.

### Claim 5 (depends on 1)

The display device of claim 1, further comprising:
a support plate disposed under the display module, the support plate including a plate and a plurality of support bars disposed in the first direction together with the plate; and
a moving plate disposed in the main case and coupled to the extension module and the plurality of support bars, wherein
the moving plate is coupled to slide in the first direction relative to the extension module, and
a coupling support bar defined as a support bar furthest from the plate among the plurality of support bars is coupled to the moving plate to slide in the first direction.

### Claim 6 (depends on 5)

The display device of claim 5, wherein
the main case includes:
a first bottom part including a flat plate shape defined by the first and second directions; and
first sidewalls that extend upward from opposite sides of the first bottom part disposed to be opposite each other in the second direction, the first sidewalls including first guide openings defined therein, and
the pair of sidewall cases move in the first direction in the first guide openings that extend in the first direction.

### Claim 7 (depends on 6)

The display device of claim 6, wherein
the moving plate includes:
a second bottom part including a flat plate shape defined by the first and second directions, the second bottom part being disposed on the first bottom part and including a plurality of second guide openings that extend in the first direction; and
second sidewalls that extend upward from opposite sides of the second bottom part disposed to be opposite each other in the second direction, and
the coupling support bar is coupled to the second bottom part and moves in the first direction along the plurality of second guide openings.

### Claim 8 (depends on 7)

The display device of claim 7, wherein
the support plate further includes a plurality of coupling parts that couple the coupling support bar to the second bottom part, and
the plurality of coupling parts extend from the coupling support bar and move in the first direction along the plurality of second guide openings in a state of being inserted into the plurality of second guide openings.

### Claim 9 (depends on 8)

The display device of claim 8, wherein the extension module includes:
a plurality of connecting parts disposed in the second direction; and
a plurality of second elastic members that connect the plurality of coupling parts and the plurality of connecting parts.

### Claim 10 (depends on 1)

The display device of claim 1, wherein
the extension module includes:
a base plate including a bottom part and base sidewalls that extend upward from opposite sides of the bottom part disposed to be opposite each other in the second direction, the base sidewalls include a plurality of first sliding openings that extend in the first direction and a plurality of second sliding openings disposed above the plurality of first sliding openings and that extend in the first direction;
a fixed guide disposed in the plurality of first sliding openings and connected with the base plate;
a fixed part disposed on the fixed guide;
a sliding moving bar disposed in the second sliding openings and connected with the base plate;
a center-of-rotation part that connects the base plate, the fixed part, and the sliding moving bar; and
a first actuator connected with the center-of-rotation part, and
the center-of-rotation part is rotated about a rotational axis parallel to the first direction in case that the first actuator rotates about a rotational axis parallel to the second direction.

### Claim 11 (depends on 10)

The display device of claim 10, wherein
the center-of-rotation part includes:
a rotational screw that extends in the first direction; and
a first main gear disposed on a side of the rotational screw facing in the first direction,
the first actuator includes:
a first motor; and
a second main gear disposed on a side of the first motor facing in the second direction, and
the first main gear and the second main gear are engaged with each other to rotate.

### Claim 12 (depends on 11)

The display device of claim 11, further comprising:
a moving plate coupled to the extension module,
wherein in case that the center-of-rotation part rotates, the base plate, the fixed part, and the moving plate move in the first direction and are spaced apart from each other.

### Claim 13 (depends on 12)

The display device of claim 12, wherein
the extension module further includes:
a plurality of first sliding bars connected to the fixed part and the base plate; and
a plurality of second sliding bars connected to the fixed part and the sliding moving bar,
first sides of the plurality of first sliding bars and first sides of the plurality of second sliding bars coupled to the fixed part are engaged with each other to rotate, and
second sides of the plurality of first sliding bars are coupled to the base plate to slide, and second sides of the plurality of second sliding bars are coupled to the sliding moving bar to slide.

### Claim 14 (depends on 1)

The display device of claim 1, further comprising:
a support plate disposed under the display module, the support plate including a plate and a plurality of support bars disposed in the first direction together with the plate;
a moving plate coupled to the extension module, the moving plate including a second bottom part and second sidewalls that extends upward from opposite sides of the second bottom part disposed to be opposite each other in the second direction; and
a main roller coupled to the second sidewalls of the moving plate disposed to be opposite each other in the second direction,
wherein some of the plurality of support bars are disposed on an outer surface of the main roller.

### Claim 15 (depends on 14)

The display device of claim 14, further comprising:
a second actuator that rotates the main roller about a rotational axis that extends in the second direction.

### Claim 16 (depends on 15)

The display device of claim 15, further comprising:
a sub-plate disposed under the moving plate,
wherein some of the plurality of support bars are disposed between the moving plate and the sub-plate.

### Claim 17 (depends on 16)

The display device of claim 16, wherein the plurality of support bars are disposed in a curved shape along the outer surface of the main roller after disposed in the first direction from the support plate and are disposed in the first direction between the moving plate and the sub-plate.

### Claim 18 (depends on 17)

The display device of claim 17, wherein the sub-plate is disposed to cover the plurality of support bars disposed on the outer surface of the main roller.

### Claim 19

A display device comprising:
a display module;
a support plate that is disposed under the display module and that includes:
a plate;
a plurality of support bars disposed in a first direction together with the plate; and
a plurality of coupling parts that extend from a coupling support bar furthest from the plate among the plurality of support bars;
an extension module that is disposed under the plate and that extends and retracts in the first direction;
a main case that accommodates the extension module, the main case having sides opposite each other in a second direction intersecting the first direction;
a moving plate disposed in the main case and coupled to the extension module and the plurality of support bars; and
a pair of sidewall cases spaced apart from each other in a third direction intersecting a plane defined by the first and second directions, each sidewall case moves in the first and the third directions relative to the main case, wherein
the plurality of coupling parts are inserted into guide openings defined in the moving plate and move along the guide openings,
the extension module includes:
a plurality of connecting parts spaced apart from each other in the second direction; and
a plurality of elastic members disposed between the plurality of connecting parts and the plurality of coupling parts and connected to the plurality of connecting parts and the plurality of coupling parts.

### Claim 20

A display device comprising:
a display module;
an extension module that is disposed under the display module and that extends and retracts in a first direction;
a main case that accommodates the extension module;
two pairs of sidewall cases, each pair of sidewall cases disposed on opposite sides of the main case opposite each other in a second direction intersecting the first direction, each sidewall case within a pair of sidewall cases disposed spaced apart from each other in a third direction intersecting a plane defined by the first and second directions; and
a plurality of first elastic members disposed between each pair of sidewall cases disposed in the third direction.

### Claim 21

An electronic device for providing an image comprising:
a display device comprising:
a display module;
an extension module that is disposed under the display module and that extends and retracts in a first direction;
a main case that accommodates the extension module, the main case having sides opposite each other in a second direction intersecting the first direction; and
a pair of sidewall cases that are spaced apart from each other in a third direction intersecting a plane defined by the first and second directions, each sidewall case moves in the first direction and in the third direction relative to the main case.